is each expression equilvant to 2x^2-50 a.) 2(x-5)(x+5) b.) -2(x+5)(x+5) c.) -2(5-x)(x+5)

Arectangular exercise mat has a perimeter of 36 feet the length of the mat is twich the width writeand solve an equation to determine the length in feet. of the mat then find the area in square feet of the mart

How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.